What Happens to the Free Energy Released as Electrons Are

question 9

Multiple Choice

What happens to the free energy released as electrons are passed from photosystem II to photosystem I through a series of electron carriers?

• A) It excites electrons of the reaction center in photosystem I.
• B) It is used to establish and maintain a proton gradient.
• C) It is used to synthesize ATP through substrate-level phosphorylation.
• D) It is used to phosphorylate NAD⁺ to NADPH.

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Definitions:

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Abnormal or extreme reddening of the skin, which can be a sign of inflammation, infection, or other health issues.

Patient Comfort

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Excessive nighttime urination.